US Bridges

TR 137 over West Fork

Good

Douglas County, Illinois · N Edge of Arthur · Structure no. 021452600000000

Built
1975
50 years old
Condition
Good
inspected December 2023
Type
Channel Beam
Concrete
Length
66 ft
2 main spans
Daily traffic
400
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 137 over West Fork is a concrete channel beam carrying TR 137 over West Fork in Douglas County, Illinois. It was built in 1975, so it is 50 years old, older than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 400 vehicles a day, roughly 7% of them trucks, projected to reach 379 by 2046. The structure is 66 ft (20.1 m) long and 27 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesTR 137
CrossesWest Fork
LocationN Edge of Arthur
RouteCounty Highway 0
CountyDouglas County
StateIllinois
Coordinates39.72474, -88.46429
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating48.9 US tons
Inventory rating35.7 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length66 ft (20.1 m)
Longest span31 ft (9.6 m)
Deck width27 ft (8.1 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic400 (2022)
Projected traffic379 by 2046
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was TR 137 over West Fork built?

It was built in 1975, making it 50 years old in 2025.

What condition is TR 137 over West Fork in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in December 2023.

How much traffic does TR 137 over West Fork carry?

About 400 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is TR 137 over West Fork?

The structure is 66 ft (20.1 m) long with a longest span of 31 ft (9.6 m) and a deck 27 ft wide.

Who owns TR 137 over West Fork?

It is owned by the Town or Township Highway Agency.